AP Statisticsmediummcq1 pt
A two-sample t interval for mu1 minus mu2 contains 0. This suggests
A.no significant difference at that level
B.mu1 is surely larger
C.mu1 is surely smaller
D.the test always rejects
Explanation
Core Concept
Zero is a plausible difference.
Correct Answer
Ano significant difference at that level
More Unit 7: Inference for Quantitative Data: Means practice questions
- mediumA test computes t = 2.3 with df = 15, giving a small p-value. The interpretation is
- easyA one-sample t interval's conditions include
- hardWhich pairing of procedure and data is correct?
- mediumA two-sample t test with t = 0.1 likely gives
- hardFor the same confidence level, which has the largest critical value?
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